process by which carbon dioxide and other gases in the atmosphere absorb infrared radiation from the sun, forming a "heat blanket" around the Earth.

greenhouse effect, it is used to grow plants. One example of the greenhouse effect is the atmosphere.

hydrogen is a compound or a single element and a element is a pure substence that cannot be separated into simpler subtances

clorine is a compound its a chemical substance that forms when two or more different elements combine

so both hydrogen and clorine are compounds

the elements of art are the visual tools that the artist uses to create a composition. these are line, shape, color, value, form, texture, and space.

the principles of art and design are balance, contrast, emphasis, movement, pattern, rhythm, and unity/variety.